Colorado
Snakes in Routt County
5 species have been documented here, 2 of them venomous.
Venomous snakes in Routt County
Full guide & what to do if bitten →
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Western RattlesnakeCrotalus oreganusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Routt County
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Smooth Greensnake
Opheodrys vernalis
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Gopher Snake
Pituophis catenifer
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Compiled from verified GBIF & iNaturalist observations. Informational only.